ErrLookup › grpc/grpc-go

grpc/grpc-go

The Go language implementation of gRPC. HTTP/2 based RPC · Go · 551 source files

Analyzed at 03255a9237 on 2026-08-07. 436 documented errors.

Code / Message	Type	Severity	Tags
no SubConn is available	exception	warning	balancer, load-balancing, connection, grpc-go
all SubConns are in TransientFailure	exception	error	balancer, transient-failure, deprecated, grpc-go
bad resolver state	exception	error	resolver, balancer, service-config, grpc-go
no children to pick from	exception	error	endpointsharding, balancer, resolver, grpc-go
weighted-target: no targets to pick from	exception	error	weighted-target, balancer, xds, grpc-go
grpc: the connection is drained	exception	error	connection, drain, goaway, grpc-go
grpc: the connection is closing	exception	error	connection, lifecycle, close, grpc-go
grpc: the connection is closing due to channel idleness	exception	warning	connection, idle, lifecycle, grpc-go
grpc: no transport security set (use grpc.WithTransportCrede	validation	error	security, credentials, config, grpc-go
grpc: credentials.Bundle may not be used with individual Tra	validation	error	security, credentials, config, grpc-go
grpc: credentials.Bundle must return non-nil transport crede	validation	error	security, credentials, bundle, grpc-go
grpc: the credentials require transport level security (use	validation	error	security, credentials, per-rpc, grpc-go
grpc: timed out when dialing	exception	info	deprecated, timeout, dial, grpc-go
ALTS: untrusted platform. ALTS is only supported on GCP	exception	error	alts, security, gcp, grpc-go
client-side auth info is not of type alts.AuthInfo	exception	error	alts, security, version-skew, grpc-go
server-side auth info is not of type alts.AuthInfo	exception	error	alts, security, server, grpc-go
no Peer found in Context	exception	error	alts, auth, peer, grpc-go
no alts.AuthInfo found in Peer	exception	error	alts, auth, credentials, grpc-go
credentials: rawConn is dispatched out of gRPC	exception	info	credentials, transport, sentinel, grpc-go
AuthInfo is nil	validation	error	credentials, security, auth-info, grpc-go
token file access error	exception	error	go, grpc, security, jwt, filesystem, credentials
empty token_exchange_service_uri in options	validation	error	go, grpc, security, sts, credentials, config-validation
required field SubjectTokenPath is not specified	validation	error	go, grpc, security, sts, credentials, config-validation
required field SubjectTokenType is not specified	validation	error	go, grpc, security, sts, credentials, config-validation
pemfile: certificate and key file must be in the same direct	validation	error	go, grpc, security, tls, pemfile, certprovider, config-validation
provider instance is closed	exception	error	go, grpc, security, tls, certprovider, lifecycle, concurrency
missing fallback credentials	validation	error	go, grpc, security, xds, credentials, config-validation
ClientHandshake() is not supported for server credentials	exception	error	go, grpc, security, xds, credentials, misuse
ServerHandshake is not supported for client credentials	exception	error	go, grpc, security, xds, credentials, misuse
serverName for peer validation must be configured as a list	exception	error	go, grpc, security, xds, credentials, misuse
cannot have a leading slash	validation	error	go, grpc, observability, config-validation, logging
/ must come in between service and method, only one /	validation	error	go, grpc, observability, config-validation, logging
method name must be non empty	validation	error	go, grpc, observability, config-validation, logging
cannot have exclude and a '*' wildcard	validation	error	go, grpc, observability, config-validation, logging
xds: CertificateProvider to fetch trusted roots is missing,	exception	critical	go, grpc, security, xds, tls, handshake, control-plane
xds: CertificateProvider to fetch identity certificate is mi	exception	critical	go, grpc, security, xds, tls, handshake, control-plane
dns resolver: missing address	validation	error	go, grpc, resolver, dns, naming, config-validation
dns resolver: missing port after port-separator colon	validation	error	go, grpc, resolver, dns, naming, config-validation
passthrough: received empty target in Build()	validation	error	go, grpc, resolver, passthrough, naming, config-validation
no error details for status with code OK	validation	error	go, grpc, status, validation
invalid gRPC request method %q	http	error	go, grpc, transport, http, grpc-web
invalid gRPC request content-type %q	http	error	go, grpc, transport, http, content-type
grpc: the server has been stopped	exception	error	go, grpc, server, lifecycle
duplicated name	validation	error	go, grpc, service-config, validation
endpoints list is empty	validation	error	go, grpc, resolver, load-balancing, service-discovery
endpoints list contains no addresses	validation	error	go, grpc, resolver, load-balancing, service-discovery
missing server_listener_resource_name_template in the bootst	validation	error	go, grpc, xds, bootstrap, config
authz: authorization policy file path is empty	validation	error	go, grpc, authz, config
authz: requires refresh interval(%v) greater than 0s	validation	error	go, grpc, authz, config, time
policyFile(%s) read failed: %v	validation	error	go, grpc, authz, filesystem, config
"headers" %d: "key" is not present	validation	error	go, grpc, authz, policy, rbac
"headers" %d: unsupported "key" %s	validation	error	go, grpc, authz, policy, headers, rbac
"headers" %d: "values" is not present	validation	error	go, grpc, authz, policy, rbac
profiling: no grpc.Server provided	validation	error	go, grpc, profiling, config
no DN found in certificate issuer	validation	error	go, grpc, security, tls, crl, x509, pkix
trailing data after AKID extension	validation	error	go, grpc, security, tls, crl, x509, asn1, pkix
trailing data after IssuingDistributionPoint extension	validation	error	go, grpc, security, tls, crl, x509, asn1, pkix
CRL only contains some certificate types	validation	error	go, grpc, security, tls, crl, x509, pkix
indirect CRLs unsupported	validation	error	go, grpc, security, tls, crl, x509, pkix
onlySomeReasons unsupported	validation	error	crl, advancedtls, security, x509, pki, revocation
authority key identifier extension missing	validation	error	crl, advancedtls, security, x509, pki, revocation
extractCRLIssuer: invalid ASN.1 encoding	validation	error	crl, advancedtls, asn1, security, pki, encoding
transport: set send compressor called after headers sent or	validation	error	transport, compression, server-stream, grpc, streaming
no priority is provided, all priorities are removed	exception	error	xds, balancer, priority, loadbalancing, config
xds_wrr_locality: invalid LBConfig: child policy field must	validation	error	xds, balancer, wrr-locality, loadbalancing, config
input StringMatcher proto is nil	validation	error	xds, matcher, rbac, config, nil-check
empty prefix is not allowed in StringMatcher	validation	error	xds, matcher, string-matcher, config, validation
empty suffix is not allowed in StringMatcher	validation	error	xds, matcher, string-matcher, config, validation
empty contains is not allowed in StringMatcher	validation	error	xds, matcher, string-matcher, config, validation
unknown header matcher type	validation	error	xds, rbac, matcher, header, config, version
rbac: Policy.condition is present	validation	error	xds, rbac, http-filter, config, cel
rbac: policy.CheckedCondition is present	validation	error	xds, rbac, http-filter, config, cel
UpstreamTlsContext in CDS response does not contain a Common	validation	error	xds, cds, tls, mtls, config, security
security configuration on the server-side does not contain i	validation	error	xds, tls, mtls, security, config, server
security configuration on the client-side does not contain r	validation	error	xds, tls, mtls, security, config, client
filter missing name field	validation	error	xds, lds, http-filter, config, validation
unsupported field 'use_original_dst' is present and set to t	validation	error	xds, lds, listener, config, server
DownstreamTlsContext in LDS response does not contain a Comm	validation	error	xds, lds, tls, mtls, security, config
security configuration on the server-side does not contain r	validation	error	xds, lds, tls, mtls, security, config, server
multiple filter chains with overlapping matching rules are d	validation	error	xds, lds, filter-chain, config, control-plane, envoy
%d: "name" is not present	validation	error	authz, rbac, authorization-policy, config, json
%d: %v	validation	error	authz, rbac, authorization-policy, config, validation
failed to parse AuditCondition %v. Allowed values {NONE, ON_	validation	error	authz, rbac, audit-logging, config, enum
missing required field: name in audit_logging_options.audit_	validation	error	authz, rbac, audit-logging, config, validation
error parsing custom audit logger config: %v	validation	error	authz, rbac, audit-logging, protobuf, config
failed to unmarshal policy: %v	validation	error	authz, rbac, authorization-policy, json, config
"name" is not present	validation	error	authz, rbac, authorization-policy, config, validation
"allow_rules" is not present	validation	error	authz, rbac, authorization-policy, config, validation
"deny_rules" %v	validation	error	authz, rbac, authorization-policy, config, validation
"allow_rules" %v	validation	error	authz, rbac, authorization-policy, config, validation
last resolver error: %v	exception	error	balancer, base, transient-failure, resolver, runtime, network
last connection error: %v	exception	error	balancer, base, transient-failure, connection, runtime, network, tls
last connection error: %v; last resolver error: %v	exception	error	balancer, base, transient-failure, connection, resolver, runtime, network
all SubConns are in TransientFailure, last connection error:	exception	error	balancer, grpclb, transient-failure, connection, runtime, network, deprecated
least-request: unable to unmarshal LBConfig: %v	validation	error	balancer, least-request, service-config, json, config
least-request: lbConfig.choiceCount: %v, must be >= 2	validation	error	balancer, least-request, service-config, config, validation
pickfirst: unable to unmarshal LB policy config: %s, error:	validation	error	balancer, pickfirst, service-config, json, config
name resolver error: %v	exception	warning	balancer, pickfirst, resolver, transient-failure, runtime, network
pickfirst: health check failure: %v	exception	error	go, grpc, load-balancing, pick-first, health-check, connection
randomsubsetting: json.Unmarshal failed for configuration: %	validation	error	go, grpc, load-balancing, random-subsetting, config, json
randomsubsetting: SubsetSize must be greater than 0	validation	error	go, grpc, load-balancing, random-subsetting, config
randomsubsetting: ChildPolicy must be specified	validation	error	go, grpc, load-balancing, random-subsetting, config
min_ring_size value of %d is greater than max supported valu	validation	error	go, grpc, load-balancing, ring-hash, config
max_ring_size value of %d is greater than max supported valu	validation	error	go, grpc, load-balancing, ring-hash, config
min %v is greater than max %v	validation	error	go, grpc, load-balancing, ring-hash, config
invalid requestHashHeader %q: %v	validation	error	go, grpc, load-balancing, ring-hash, metadata, config
invalid requestHashHeader %q, key must not end with "-bin"	validation	error	go, grpc, load-balancing, ring-hash, metadata, config
ringhash: expected xDS config selector to set the request ha	exception	error	go, grpc, load-balancing, ring-hash, runtime, xds
rls: json unmarshal failed for service config %+v: %v	validation	error	go, grpc, load-balancing, rls, config, json
rls: bad RouteLookupConfig proto %+v: %v	validation	error	go, grpc, load-balancing, rls, config, protobuf
rls: bad control channel service config %q: %v	validation	error	go, grpc, load-balancing, rls, config, service-config
rls: childPolicyConfigTargetFieldName field is not set in se	validation	error	go, grpc, load-balancing, rls, config
rls: empty lookup_service in route lookup config %+v	validation	error	go, grpc, load-balancing, rls, config
rls: invalid target URI in lookup_service %s	validation	error	go, grpc, load-balancing, rls, config, resolver
rls: unregistered scheme in lookup_service %s	validation	error	go, grpc, load-balancing, rls, config, resolver
rls: failed to parse lookup_service_timeout in route lookup	validation	error	go, grpc, load-balancing, rls, config, duration, protobuf
rls: failed to parse max_age in route lookup config %+v: %v	validation	error	go, grpc, load-balancing, rls, config, duration, protobuf
rls: failed to parse staleAge in route lookup config %+v: %v	validation	error	go, grpc, load-balancing, rls, config, duration, protobuf
rls: stale_age is set, but max_age is not in route lookup co	validation	error	rls, service-config, config-validation, go, grpc, load-balancing
rls: cache_size_bytes must be set to a non-zero value: %+v	validation	error	rls, service-config, config-validation, go, grpc, cache
rls: invalid childPolicy: entry %v does not contain exactly	validation	error	rls, service-config, config-validation, go, grpc, child-policy
rls: childPolicy %q with config %q does not support config p	validation	error	rls, service-config, config-validation, go, grpc, child-policy
rls: json unmarshal failed for child policy config %q: %v	validation	error	rls, service-config, config-validation, go, grpc, json
rls: json marshal failed for child policy config {%+v}: %v	validation	error	rls, service-config, internal, go, grpc
rls: childPolicy config validation failed: %v	validation	error	rls, service-config, config-validation, go, grpc, child-policy
rls: invalid childPolicy config: no supported policies found	validation	error	rls, service-config, config-validation, go, grpc, child-policy
rls: GrpcKeyBuilder in RouteLookupConfig has required_match	validation	error	rls, service-config, config-validation, go, grpc, key-builder
rls: GrpcKeyBuilder in RouteLookupConfig contains repeated k	validation	error	rls, service-config, config-validation, go, grpc, key-builder
rls: GrpcKeyBuilder in RouteLookupConfig contains repeated k	validation	error	rls, service-config, config-validation, go, grpc, key-builder
rls: GrpcKeyBuilder in RouteLookupConfig does not contain an	validation	error	rls, service-config, config-validation, go, grpc, key-builder
rls: GrpcKeyBuilder in RouteLookupConfig contains a Name fie	validation	error	rls, service-config, config-validation, go, grpc, key-builder
rls: GrpcKeyBuilder in RouteLookupConfig contains a method w	validation	error	rls, service-config, config-validation, go, grpc, key-builder
rls: GrpcKeyBuilder in RouteLookupConfig contains repeated N	validation	error	rls, service-config, config-validation, go, grpc, key-builder
rls: method name %q is not of the form '/service/method	exception	error	rls, runtime, picker, go, grpc, method-name
RLS response's target list does not contain any entries for	exception	error	rls, runtime, control-plane, go, grpc, fallback
wrr: unable to unmarshal LB policy config: %s, error: %v	validation	error	wrr, service-config, config-validation, go, grpc, load-balancing
wrr: errorUtilizationPenalty must be non-negative	validation	error	go, grpc, load-balancing, config, validation
failed to create temp file: %v	exception	error	go, grpc, logging, filesystem, environment
%s: %v	validation	error	go, grpc, config, validation, clientconn
failed to exit idle mode: %w	exception	error	go, grpc, clientconn, resolver, dial
%v: %v	exception	error	go, grpc, clientconn, timeout, dial
failed to start resolver: %w	exception	error	go, grpc, resolver, clientconn, idle
could not get resolver for default scheme: %q	validation	error	go, grpc, resolver, clientconn, target
ClientConn's authority from transport creds %q and dial opti	validation	error	go, grpc, clientconn, tls, authority, config
nil receiver passed to UnmarshalJSON	validation	error	go, grpc, codes, json, serialization
invalid code: %d	validation	error	go, grpc, codes, json, validation
invalid code: %q	validation	error	go, grpc, codes, json, validation
server-side RPC versions are not compatible with this client	exception	error	go, grpc, alts, security, versioning
client-side RPC versions is not compatible with this server,	exception	error	go, grpc, alts, security, versioning
received the frame length %d larger than the limit %d	exception	error	go, grpc, alts, framing, security
protocol %v is already registered	validation	error	go, grpc, alts, registry, init
negotiated unknown next_protocol %q	exception	error	go, grpc, alts, security, versioning
protocol %q: %v	exception	error	go, grpc, alts, crypto, security
received frame with size %v which is shorter than message ty	exception	error	go, grpc, alts, framing, validation
received frame with incorrect message type %v, expected lowe	exception	error	go, grpc, alts, framing, security
failed to establish stream to ALTS handshaker service: %v	exception	error	go, grpc, alts, security, network
%v	exception	error	alts, grpc, handshake, authorization, identity
unknown resulted record protocol %v	exception	error	alts, grpc, version-mismatch, crypto, handshake
failed to send ALTS handshaker request: %w	exception	error	alts, grpc, network, stream, handshake
failed to receive ALTS handshaker response: %w	exception	error	alts, grpc, network, stream, handshake
requires SecurityLevel %v; connection has %v	exception	error	grpc, transport-security, credentials, security-level, configuration
credentials: ctx cannot be nil	validation	error	grpc, credentials, gcp, validation, configuration
credentials: audience cannot be empty	validation	error	grpc, credentials, gcp, validation, configuration, jwt
credentials: failed to create ID token credentials: %v	exception	error	grpc, credentials, gcp, idtoken, configuration
credentials: cannot send secure credentials on an insecure c	exception	error	grpc, credentials, transport-security, configuration, security
unsupported mode: %v	validation	error	grpc, credentials, configuration, validation
request info not found from context	exception	warning	grpc, credentials, context, testing
%v: %w	exception	error	grpc, jwt, filesystem, configuration, credentials
token file %q is empty: %w	validation	error	grpc, jwt, filesystem, configuration, credentials
token file %q: %v: %w	exception	error	grpc, jwt, validation, credentials, configuration
expected 3 parts in token	validation	error	grpc, jwt, validation, parsing, credentials
decode error: %v	exception	error	grpc, jwt, base64, validation, parsing
unmarshal error: %v	exception	error	grpc, jwt, json, validation, parsing
no expiration claims	validation	error	grpc, jwt, validation, credentials, configuration
expired token	validation	error	grpc, jwt, expiration, credentials, configuration
tokenFilePath cannot be empty	validation	error	jwt, validation, configuration, go, call-credentials
cannot send secure credentials on an insecure connection: %v	exception	error	jwt, security, tls, transport, call-credentials, go
local credentials rejected connection to non-local address %	exception	error	local-credentials, transport, security, go, uds
unable to transfer TokenSource PerRPCCredentials: %v	exception	error	oauth, security, transport, call-credentials, go
credentials: failed to read the service account key file: %v	exception	error	oauth, jwt, file-io, configuration, go
unable to transfer jwtAccess PerRPCCredentials: %v	exception	error	oauth, jwt, security, transport, call-credentials, go
unable to transfer oauthAccess PerRPCCredentials: %v	exception	error	oauth, security, transport, call-credentials, deprecated, go
unable to transfer serviceAccount PerRPCCredentials: %v	exception	error	oauth, security, transport, call-credentials, go, service-account
unable to transfer STS PerRPCCredentials: %v	exception	error	sts, security, transport, call-credentials, go, oauth
scheme is not supported: %q. Only http(s) is supported	validation	error	sts, validation, configuration, url, go
failed to create http request: %v	exception	error	sts, network, http, validation, go
http status %d, body: %s	http	error	sts, network, authentication, oauth, runtime, go
json.Unmarshal(%v): %v	exception	error	sts, serialization, network, json, go
empty accessToken in response (%v)	exception	error	sts, authentication, network, oauth, validation, go
credentials: no peer certificates found to verify authority	exception	error	tls, certificates, validation, authority, go
credentials: cannot check peer: missing selected ALPN proper	exception	error	tls, alpn, http2, compatibility, transport, go
credentials: failed to append certificates	validation	error	tls, certificates, configuration, file-io, go
meshca: unsupported config type: %T	validation	error	xds, configuration, certprovider, validation, go, internal
pemfile: json.Unmarshal(%s) failed: %v	exception	error	grpc, config, pemfile, json, certprovider, tls
pemfile: protojson.Unmarshal(%+v) failed: %v	exception	error	grpc, config, pemfile, proto, duration, certprovider
pemfile: at least one credential file needs to be specified	validation	error	grpc, config, pemfile, validation, certprovider, tls
pemfile: private key file and identity cert file should be b	validation	error	grpc, config, pemfile, validation, mtls, certprovider
provider(%q, %q).Build(%v) failed	exception	error	grpc, certprovider, plugin, build, internal
no certificate provider builder found for %q	validation	error	grpc, certprovider, plugin-registration, init, config
grpc: invalid gzip compression level: %d	validation	error	grpc, gzip, compression, encoding, init, validation
proto: failed to marshal, message is %T, want proto.Message	exception	error	grpc, proto, codec, marshal, encoding, serialization
failed to unmarshal, message is %T, want proto.Message	exception	error	grpc, proto, codec, unmarshal, encoding, serialization
credentials: failed to append certificates	validation	error	grpc, tls, pem, certificates, alpn, experimental
invalid method string: %v, err: %v	validation	error	grpc, observability, cloud-logging, config, validation, gcp
error in clientRPCEvent method: %v	validation	error	grpc, observability, cloud-logging, config, validation, gcp
error in serverRPCEvent method: %v	validation	error	grpc, observability, cloud-logging, config, validation, gcp
error parsing observability config: %v	validation	error	grpc, observability, config, json, gcp, env
error parsing observability config: invalid cloud trace samp	validation	error	grpc, observability, cloud-trace, config, validation, gcp
error reading observability configuration file %q: %v	validation	error	grpc, observability, config, filesystem, env, gcp
empty destination project ID	validation	error	grpc, observability, gcp, project-id, auth, config
failed to create cloudLoggingExporter: %v	exception	error	grpc, observability, cloud-logging, auth, gcp, network
unable to create CloudLogging exporter: %v	exception	error	grpc, observability, cloud-logging, auth, gcp, startup
no ObservabilityConfig found	validation	error	grpc, observability, configuration, environment, gcp, startup
failed to instrument OpenCensus: %v	exception	error	grpc, observability, opencensus, gcp, authentication, startup
failed to start logging: %v	exception	error	grpc, observability, cloud-logging, gcp, authentication, startup
failed to create Stackdriver exporter: %v	exception	error	grpc, observability, stackdriver, gcp, authentication, configuration
failed to register observability views: %v	exception	error	grpc, observability, opencensus, duplicate-registration, initialization
connection active but received health check RPC error: %v	exception	warning	grpc, health-checking, connectivity, transient-failure, retry
connection active but health check failed. status=%s	exception	warning	grpc, health-checking, connectivity, serving-status, load-balancing
there is an empty key in the header	validation	error	grpc, metadata, validation, headers
header key %q contains illegal characters not in [0-9a-z-_.]	validation	error	grpc, metadata, validation, headers, http2
header key %q contains value with non-printable ASCII charac	validation	error	grpc, metadata, validation, headers, binary-data, encoding
delegating_resolver: invalid target address %q: %v	validation	error	grpc, resolver, delegating-resolver, proxy, dns, target-uri
delegating_resolver: failed to determine proxy URL for targe	exception	error	grpc, resolver, delegating-resolver, proxy, environment, configuration
delegating_resolver: unable to build the resolver for target	exception	error	grpc, resolver, delegating-resolver, dns, custom-scheme, initialization
missing address	validation	error	grpc, resolver, delegating-resolver, target-uri, validation
missing port after port-separator colon	validation	error	grpc, resolver, delegating-resolver, target-uri, validation
delegating_resolver: unable to build the proxy resolver: %v	exception	warning	grpc, resolver, delegating-resolver, proxy, dns, transient
dns: error parsing A record IP address %v: %v	exception	error	grpc, resolver, dns, srv-records, grpclb, ip-parsing
dns: %v record lookup error: %v	exception	warning	grpc, resolver, dns, timeout, transient, network
invalid target address %v, error info: %v	validation	error	grpc, resolver, dns, target-uri, ipv6, validation
invalid (non-empty) authority: %v	validation	error	grpc, unix-socket, dial-target, resolver, configuration
malformed duration %q: missing seconds unit	validation	error	grpc, service-config, duration, json-parsing, configuration
spiffe: BundleMapFromBytes() no bundles parsed from spiffe b	validation	error	grpc, spiffe, mtls, trust-bundle, json-parsing
spiffe: BundleMapFromBytes() invalid trust domain %q found w	validation	error	grpc, spiffe, trust-domain, validation, json-parsing
spiffe: BundleMapFromBytes() failed to parse bundle for trus	validation	error	grpc, spiffe, certificate, trust-bundle, json-parsing
spiffe: could not get spiffe ID from peer leaf cert but veri	exception	error	grpc, spiffe, mtls, x509, handshake
spiffe: no bundle found for peer certificates trust domain %	exception	error	grpc, spiffe, trust-domain, mtls, federation
input cert has %v URIs but should have 1	validation	error	grpc, spiffe, x509, san, certificate
invalid spiffeid: %v	validation	error	grpc, spiffe, spiffe-id, validation, certificate
xds: fetching trusted roots from CertificateProvider failed:	exception	error	grpc, xds, mtls, cert-provider, handshake, client
xds: fetching identity certificates from CertificateProvider	exception	error	grpc, xds, mtls, cert-provider, handshake, client
xds: no peer certificates presented	exception	error	grpc, xds, mtls, handshake, certificate
xds: received DNS SANs: %v do not match the SNI: %s	exception	error	grpc, xds, tls, sni, san, certificate, client
xds: received SANs {DNSNames: %v, EmailAddresses: %v, IPAddr	exception	error	grpc, xds, tls, san, security-policy, client
malformed duration %q: too many decimals	validation	error	grpc, service-config, duration, json-parsing, validation
malformed duration %q: %v	validation	error	grpc, service-config, duration, json-parsing, validation
out of range: %q	validation	error	grpc, service-config, duration, validation, range
malformed duration %q: too many digits after decimal	validation	error	grpc, service-config, duration, json-parsing, validation
malformed duration %q: contains no numbers	validation	error	service-config, duration, json-parsing, configuration, validation
invalid loadBalancingConfig: entry %v does not contain exact	validation	error	service-config, load-balancing, json-parsing, balancer, configuration
error parsing loadBalancingConfig for policy %q: %v	validation	error	service-config, load-balancing, balancer, configuration, xds
invalid loadBalancingConfig: no supported policies found in	validation	error	service-config, load-balancing, balancer, registration, configuration
transport: timeout string is too short: %q	validation	error	transport, http2, timeout, header-parsing, network
transport: timeout string is too long: %q	validation	error	transport, http2, timeout, header-parsing, network, protocol-violation
transport: timeout unit is not recognized: %q	validation	error	transport, http2, timeout, header-parsing, network, protocol-violation
failed to write the HTTP request: %v	exception	error	transport, proxy, http-connect, network, connection
reading server HTTP response: %v	exception	error	transport, proxy, http-connect, network, response-parsing
failed to do connect handshake, status code: %s	http	error	transport, proxy, http-connect, authentication, network
failed to do connect handshake, response: %q	http	error	transport, proxy, http-connect, authentication, network, diagnostics
received %d-bytes data exceeding the limit %d bytes	exception	error	transport, flow-control, http2, streaming, network
received an illegal stream id: %v. headers frame: %+v	exception	critical	transport, http2, stream, protocol-violation, network
keepalive ping not acked within timeout %s	exception	error	transport, keepalive, http2, connection, network, timeout
error getting raw connection: %v	exception	warning	syscall, tcp, socket, linux, keepalive, connection
error setting option on socket: %v	exception	warning	syscall, tcp, socket, linux, setsockopt, keepalive
conn is not *net.TCPConn. got %T	validation	info	syscall, tcp, socket, type-check, diagnostics
error getting option on socket: %v	exception	error	network, tcp, syscall, linux, keepalive, socket
xds: unable to unmarshal lbconfig: %s, error: %v	validation	error	xds, cds, json, config, balancer
did not find the cluster %q in XDSConfig	validation	error	xds, cds, config, cluster, resource-not-found
failed to correctly update Outlier Detection config %v	validation	error	xds, cds, outlier-detection, config, balancer
error unmarshalling xDS LB Policy: %v	validation	error	xds, cds, lb-policy, json, config
failed to create child policy of type %s: %v	validation	error	xds, cds, priority, balancer, internal
failed to build child policy config: %v	validation	error	xds, cds, priority, config, cluster-impl
failed to push config to child policy: %v	validation	error	xds, cds, child-balancer, config, transient-failure
error parsing Outlier Detection config %v: %v	validation	error	xds, cds, outlier-detection, json, config
[xDS node id: %v]: %w	validation	error	xds, cds, node-id, error-annotation, bootstrap
failed to build priority config: %v	validation	error	xds, cds, config-builder, priority, cluster-impl
failed to marshal built priority config struct into json: %v	validation	error	xds, cds, json, config-builder, internal-bug
xds: failed to get security plugin instance (%+v): %v	exception	error	xds, clusterimpl, security, mtls, certificate, bootstrap
unexpected balancer config with type: %T	validation	error	xds, clusterimpl, type-assertion, config, internal
child policy %q not registered	validation	error	xds, clusterimpl, balancer-registry, lb-policy, child-policy
received Cluster resource that contains invalid security con	validation	error	xds, clusterimpl, security, mtls, certificate, bootstrap, transient-failure
failed to JSON marshal load balancing policy for child %q: %	validation	error	xds, clustermanager, json, child-policy, gracefulswitch
failed to parse load balancing policy for child %q: %v	exception	error	xds, clustermanager, json, gracefulswitch, child-policy
failed to push new configuration %v to child %q: %v	exception	error	xds, clustermanager, child-balancer, config, re-resolution
xds: unable to unmarshal LBconfig: %s, error: %v	validation	error	xds, outlier-detection, json, config, balancer
OutlierDetectionLoadBalancingConfig.interval = %s; must be >	validation	error	grpc, xds, outlier-detection, load-balancing, config, go
OutlierDetectionLoadBalancingConfig.base_ejection_time = %s;	validation	error	grpc, xds, outlier-detection, load-balancing, config, go
OutlierDetectionLoadBalancingConfig.max_ejection_time = %s;	validation	error	grpc, xds, outlier-detection, load-balancing, config, go
OutlierDetectionLoadBalancingConfig.max_ejection_percent = %	validation	error	grpc, xds, outlier-detection, load-balancing, config, go
OutlierDetectionLoadBalancingConfig.SuccessRateEjection.enfo	validation	error	grpc, xds, outlier-detection, load-balancing, config, go
OutlierDetectionLoadBalancingConfig.FailurePercentageEjectio	validation	error	grpc, xds, outlier-detection, load-balancing, config, go
OutlierDetectionLoadBalancingConfig.FailurePercentageEjectio	validation	error	grpc, xds, outlier-detection, load-balancing, config, go
outlier detection: child balancer %q not registered	validation	error	grpc, xds, outlier-detection, load-balancing, balancer-registration, go
outlier detection: error switching to child of type %q: %v	exception	error	grpc, xds, outlier-detection, load-balancing, gracefulswitch, go
LB policy name %q found in Priorities field (%v) is not foun	validation	error	grpc, xds, priority, load-balancing, config, go
LB policy name %q found in Children field (%v) is not found	validation	error	grpc, xds, priority, load-balancing, config, go
xds_wrr_locality: invalid LBConfig: %s, error: %v	validation	error	grpc, xds, wrr-locality, load-balancing, config, go
xds_wrr_locality: missing locality weight information in end	validation	error	grpc, xds, wrr-locality, load-balancing, resolver, go
xds_wrr_locality: config generated %v is invalid: %v	validation	error	grpc, xds, wrr-locality, load-balancing, internal, go
xds: failed to JSON unmarshal server configurations during b	validation	critical	grpc, xds, bootstrap, config, go
xds: failed to JSON unmarshal server configuration during bo	validation	critical	grpc, xds, bootstrap, config, go
failed to build credentials bundle from bootstrap for %q: %v	exception	critical	grpc, xds, bootstrap, credentials, tls, config, go
failed to build call credentials from bootstrap for %q: %v	exception	critical	grpc, xds, bootstrap, credentials, call-creds, config, go
xds: `server_uri` field in server config cannot be empty: %s	validation	critical	grpc, xds, bootstrap, config, go
xds: `channel_creds` field in server config cannot be empty:	validation	critical	grpc, xds, bootstrap, credentials, config, go
xds: json.Unmarshal(%s) failed during bootstrap: %v	validation	error	xds, bootstrap, json, config, grpc
xds: config parsing for certificate provider plugin %q faile	validation	error	xds, bootstrap, certificate-provider, file-watcher, config, grpc
xds: required field `xds_servers` not found in bootstrap con	validation	error	xds, bootstrap, config, required-field, grpc
xds: field clientListenerResourceNameTemplate %q of authorit	validation	error	xds, bootstrap, authority, xdstp, config, grpc
xds: failed to read bootstrap config from file %q: %v	exception	error	xds, bootstrap, filesystem, env-var, config, grpc
xds: error normalizing JSON bootstrap configuration: %v	validation	error	xds, bootstrap, json, config, grpc
failed to unmarshal JWT call credentials config: %v	validation	error	xds, bootstrap, jwt, credentials, json, grpc
jwt_token_file is required in JWT call credentials config	validation	error	xds, bootstrap, jwt, credentials, config, required-field, grpc
failed to create JWT call credentials: %v	exception	error	xds, bootstrap, jwt, credentials, filesystem, grpc
failed to unmarshal config: %v	validation	error	xds, bootstrap, tls, mtls, credentials, json, grpc
xDS TLS credentials only support one mode	validation	error	xds, tls, mtls, credentials, grpc, api-misuse
spiffe: verify function could not parse input certificate: %	exception	error	xds, tls, spiffe, mtls, certificate, grpc
spiffe: verify function has no valid input certificates	validation	error	xds, tls, spiffe, mtls, certificate, grpc
spiffe: x509 certificate Verify failed: %v	exception	error	xds, tls, spiffe, mtls, certificate, trust-chain, grpc
grpctransport: ServerURI is not set in ServerIdentifier	validation	error	xds, grpctransport, config, required-field, grpc
grpctransport: Extensions is not set in ServerIdentifier	validation	error	xds, grpctransport, config, required-field, grpc
grpctransport: Extensions field is %T, but must be %T in Ser	validation	error	xds, grpctransport, type-mismatch, grpc
grpctransport: unknown config name %q specified in ServerIde	validation	error	xds, grpctransport, config, grpc
grpctransport: config %q has nil credentials bundle	validation	error	xds, grpctransport, credentials, config, grpc
grpctransport: failed to create connection to server %q: %v	exception	error	xds, grpctransport, network, grpc, connection
lrs: failed to receive first LoadStatsResponse: %v	exception	warning	grpc, xds, lrs, network, streaming
lrs: unexpected message type %T	exception	error	grpc, xds, lrs, protobuf, protocol-mismatch
lrs: invalid load_reporting_interval: %v	validation	error	grpc, xds, lrs, config, duration
lrsclient: failed to create transport for server identifier	exception	error	grpc, xds, lrs, transport, config
unexpected message type %T	exception	error	grpc, xds, ads, protobuf, protocol-mismatch
recovered from panic during resource parsing, resource: %v,	panic	error	grpc, xds, ads, panic, decoder
no ResourceType implementation found for typeURL %q	validation	error	grpc, xds, config, resource-type, registration
authority %q not found in the config for resource %q	validation	error	grpc, xds, federation, authority, config
xds: failed to create transport for server config %v: %v	exception	error	grpc, xds, transport, config, ads
xds: failed to create a new channel for server config %v: %v	exception	error	grpc, xds, internal, config
rls_csp: nil configuration message provided	validation	error	grpc, xds, rls, cluster-specifier, config
rls_csp: error parsing config %v: unknown type %T	validation	error	grpc, xds, rls, cluster-specifier, type-error
rls_csp: error parsing config %v: %v	validation	error	grpc, xds, rls, protobuf, config
rls_csp: error marshaling route lookup config: %v: %v	exception	error	grpc, xds, rls, protobuf, json
rls_csp: error marshaling load balancing config %v: %v	exception	error	grpc, xds, rls, json, internal
RLS LB policy not registered	validation	error	grpc, xds, rls, balancer, registration
rls_csp: validation error from rls lb policy parsing: %v	validation	error	grpc, xds, rls, balancer, config
parseGRPCServiceConfig not implemented	validation	error	grpc, xds, ext-authz, not-implemented, filter
extauthz: missing default_value in filter_enabled	validation	error	grpc, xds, ext-authz, config, validation
extauthz: error parsing config %v: unknown type %T, want *an	validation	error	grpc, xds, ext-authz, type-error, filter
extauthz: failed to unmarshal config: %v	validation	error	grpc, xds, protobuf, config, ext-authz
extauthz: empty grpc_service provided in config %v	validation	error	grpc, xds, config, ext-authz, grpc-service
extauthz: failed to parse grpc_service: %v	validation	error	grpc, xds, config, ext-authz, grpc-service
extauthz: missing default_value in deny_at_disable	validation	error	grpc, xds, config, ext-authz
extauthz: error parsing override config %v: unknown type %T,	validation	error	grpc, xds, config, ext-authz, type-assertion
extauthz: failed to unmarshal override config %v: %v	validation	error	grpc, xds, protobuf, config, ext-authz
httpfilter: %v	validation	error	grpc, xds, config, regex, header-mutation
extproc: input metadata is nil	exception	error	grpc, xds, ext-proc, header-mutation, nil-check
extproc: header mutation disallowed by headerMutationRules f	exception	error	grpc, xds, ext-proc, header-mutation, policy
extproc: header mutation disallowed by headerMutationRules f	exception	error	grpc, xds, ext-proc, header-mutation, policy
extproc: invalid request body mode %v: want %q or %q	validation	error	grpc, xds, config, ext-proc, processing-mode
extproc: invalid response body mode %v: want %q or %q	validation	error	grpc, xds, config, ext-proc, processing-mode
extproc: invalid response trailer mode %v: must be %q when r	validation	error	grpc, xds, config, ext-proc, processing-mode
extproc: error parsing config %v: unknown type %T, want *any	validation	error	grpc, xds, config, ext-proc, type-assertion
extproc: failed to unmarshal config %v: %v	validation	error	grpc, xds, protobuf, config, ext-proc
extproc: missing processing_mode in config %v	validation	error	grpc, xds, config, ext-proc, processing-mode
extproc: empty grpc_service provided in config %v	validation	error	grpc, xds, config, ext-proc, grpc-service
extproc: failed to parse grpc_service %v	validation	error	grpc, xds, config, ext-proc, grpc-service
extproc: error parsing override %v: unknown type %T, want *a	validation	error	extproc, xds, config-parsing, protobuf
extproc: failed to unmarshal override %v: %v	validation	error	extproc, xds, config-parsing, protobuf, version-mismatch
extproc: failed to parse grpc_service: %v	validation	error	extproc, xds, config-parsing, grpc-service, per-route
extproc: incorrect config type provided (%T): %v	exception	error	extproc, xds, config-parsing, type-mismatch, internal-invariant
extproc: incorrect override config type provided (%T): %v	exception	error	extproc, xds, config-parsing, type-mismatch, per-route
extproc: failed to create channel to the external processor	exception	critical	extproc, network, dial, tls, connectivity
failed to create a stream to external processor: %v	exception	error	extproc, network, grpc-stream, runtime, failure-mode-allow
failed to send client headers to external processor server:	exception	error	extproc, observability, network, grpc-stream, runtime
extproc: response message does not implement proto.Message	exception	error	extproc, protobuf, type-mismatch, internal-invariant, testing
external processor unexpectedly sent request body when reque	exception	error	extproc, protocol-violation, processing-mode, request-body, server-bug
external processor unexpectedly sent response body when resp	exception	error	extproc, protocol-violation, processing-mode, response-body, server-bug
external processor sent response body before sending respons	exception	error	extproc, protocol-violation, ordering, response-headers, server-bug
external processor sent response body after response trailer	exception	error	extproc, protocol-violation, ordering, response-trailers, server-bug
external processor unexpectedly set end of stream in respons	exception	error	extproc, protocol-violation, response-body, end-of-stream, server-bug
external processor unexpectedly sent response headers when r	exception	error	extproc, protocol-violation, processing-mode, response-headers, server-bug
external processor sent response headers before response hea	exception	error	extproc, protocol-violation, ordering, response-headers, server-bug
external processor unexpectedly sent duplicate response head	exception	error	extproc, protocol-violation, ordering, response-headers, duplicate, server-bug
external processor returned unexpected status %v for respons	exception	error	extproc, protocol-violation, response-headers, status, server-bug
external processor unexpectedly sent response trailers when	exception	error	extproc, protocol-violation, processing-mode, response-trailers, server-bug
external processor sent response trailers before response tr	exception	error	extproc, protocol-violation, ordering, response-trailers, server-bug
external processor unexpectedly sent duplicate response trai	exception	error	extproc, grpc, xds, protocol, go
external processor returned unexpected status %v for body re	exception	error	extproc, grpc, xds, protocol, go
external processor returned invalid body mutation in body re	exception	error	extproc, grpc, xds, protocol, go
external processor returned compressed grpc message which is	exception	error	extproc, grpc, xds, compression, protocol, go
external processor returned an unexpected message type %T, e	exception	error	extproc, grpc, xds, protocol, go
external processor returned unexpected status %v for request	exception	error	extproc, grpc, xds, protocol, go
external processor sent an immediate response but immediate	exception	error	extproc, grpc, xds, config, protocol, go
extproc: ParseGRPCServiceConfig not implemented	validation	error	extproc, grpc, xds, not-implemented, go
extproc: dialing external processor server not implemented	exception	error	extproc, grpc, xds, not-implemented, go
fault: nil configuration message provided	validation	error	fault-injection, grpc, xds, config, go
fault: error parsing config %v: unknown type %T	validation	error	fault-injection, grpc, xds, config, type-mismatch, go
fault: error parsing config %v: %v	validation	error	fault-injection, grpc, xds, config, serialization, go
fault: nil config provided	exception	error	fault-injection, grpc, xds, config, go
fault: incorrect config type provided (%T): %v	exception	error	fault-injection, grpc, xds, config, type-mismatch, go
fault: incorrect override config type provided (%T): %v	exception	error	fault-injection, grpc, xds, config, type-mismatch, go
gcpauthn: invalid filter config type %T	validation	error	gcp-authn, grpc, xds, config, type-mismatch, go
gcpauthn: failed to unmarshal filter config: %v	validation	error	gcp-authn, grpc, xds, config, serialization, go
gcpauthn: cache_config.cache_size must be greater than zero	validation	error	gcp-authn, grpc, xds, config, validation, go
rbac: principal header matcher for %v is :scheme or starts w	validation	error	rbac, grpc, xds, config, validation, go
rbac: permission header matcher for %v is :scheme or starts	validation	error	rbac, xds, grpc, envoy, config-validation, security
rbac: error constructing matching engine: %v	validation	error	rbac, xds, grpc, envoy, matcher-engine
rbac: nil configuration message provided	validation	error	rbac, xds, grpc, config-validation
rbac: error parsing config %v: unknown type %T	validation	error	rbac, xds, grpc, type-mismatch
rbac: error parsing config %v: %v	validation	error	rbac, xds, grpc, protobuf, version-skew
rbac: error parsing override config %v: unknown type %T	validation	error	rbac, xds, grpc, type-mismatch, per-route
rbac: error parsing override config %v: %v	validation	error	rbac, xds, grpc, protobuf, per-route, version-skew
rbac: nil config provided	exception	error	rbac, xds, grpc, internal-wiring
rbac: incorrect config type provided (%T): %v	exception	error	rbac, xds, grpc, type-mismatch, internal-wiring
rbac: incorrect override config type provided (%T): %v	exception	error	rbac, xds, grpc, type-mismatch, per-route, internal-wiring
router: nil configuration message provided	validation	error	router, xds, grpc, config-validation
router: error parsing config %v: unknown type %T	validation	error	router, xds, grpc, type-mismatch
router: error parsing config %v: %v	validation	error	router, xds, grpc, protobuf, version-skew
router: unexpected config override specified: %v	validation	error	router, xds, grpc, per-route, config-validation
router: incorrect config type provided (%T): %v	exception	error	router, xds, grpc, type-mismatch, internal-wiring
router: unexpected override configuration specified: %v	exception	error	router, xds, grpc, per-route, internal-wiring
gRPC requires HTTP/2	http	error	grpc, transport, http2, handler-server, network
[xDS node id: %s]: %w	exception	error	xds, routing, config-selection, grpc-go
metadata: Pairs got the odd number of input pairs for metada	panic	critical	metadata, panic, grpc-go, validation
metadata: AppendToOutgoingContext got an odd number of input	panic	critical	metadata, panic, grpc-go, context, validation
metadata: FromOutgoingContext got an odd number of input pai	panic	critical	metadata, panic, grpc-go, context, corruption
The unary server interceptor was already set and may not be	panic	critical	server, interceptor, panic, grpc-go, config
The stream server interceptor was already set and may not be	panic	critical	server, interceptor, streaming, panic, grpc-go, config
The tap handle was already set and may not be reset.	panic	critical	server, tap, panic, grpc-go, config, experimental
cannot register a nil Codec	panic	critical	encoding, codec, panic, grpc-go, init
cannot register Codec with empty string result for Name()	panic	critical	encoding, codec, panic, grpc-go, init, validation
cannot register a nil CodecV2	panic	critical	encoding, codec, codecv2, panic, grpc-go, init
cannot register CodecV2 with empty string result for Name()	panic	critical	encoding, codec, codecv2, panic, grpc-go, init, validation
cannot use component logger as grpclog logger	panic	critical	logging, grpclog, panic, grpc-go, config
Manual resolver instance has not yet been built.	panic	critical	resolver, manual, panic, grpc-go, testing
gRPC requires a ResponseWriter supporting http.Flusher	http	error	transport, http, handler, grpc-go, streaming
malformed grpc-timeout: %v	http	error	transport, http, timeout, grpc-go, handler
malformed binary metadata %q in header %q: %v	http	error	transport, http, metadata, base64, grpc-go, handler